This volume commemorates the work of Gopinath Kallianpur, a leading
figure in diverse areas of probability and statistics, including
stochastic finance, Fisher consistent estimation, non-linear prediction
and filtering problems, zero-one laws for Gaussian processes, and
stochastic differential equations in infinite dimensions. Consists of
research articles written by leading experts highlighting progress and
new directions of research in these and related areas. Dedicated to
Kallianpur on the occasion of his seventy- fifth birthday, this work
will pay tribute to his multi-faceted achievements and to the deep
insight and inspiration he has so graciously offered his students and
colleagues throughout his career.